body,
html {
    background-color: #000;
    font-size: 14px;
    color: #333;
    font-family: Microsoft YaHei, \\5FAE\8F6F\96C5\9ED1, Arial, sans-serif;
    box-sizing: border-box;
    height: 100%;
}

.pc {
    background: url(../images/Z_0.jpg)50%/cover repeat;
    text-align: center;
}

.bgc {
    position: relative;
    margin: 0 auto;
    min-width: 1280px;
    max-width: 1920px;
    overflow: hidden;
    background: url(../images/Z_1.jpg) top/1920px auto no-repeat;
}

.header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 99;
    pointer-events: none;
}

.header .header_left {
    float: left;
    margin: 20px;
}

.header .header_right {
    float: right;
    margin: 20px 20px;
}

.top {
    padding: 20px;
    margin-top: 315px;
}


/* .btn {

   

} */

.download {
    background-image: url(../images/Z_6-1.png);
    background-repeat: no-repeat;
    margin: 10px auto;
    position: relative;
    width: 712px;
    height: 190px;
    display: flex;
    justify-content: space-between;
}

.pc_download {
    display: block;
    cursor: pointer;
}

.mobile_download {
    /* align-items: center; */
}

.pc_Scan {
    background-image: url('../images/Z_13.png');
}

.list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 0 auto;
    width: 1186px;
}

.list_one {
    display: block;
    margin: 16px auto;
    width: 576px;
    height: 205px;
}

.item-1 {
    position: relative;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    margin-top: 190px;
    width: 247px;
    height: 293px;
    background: 50%/cover no-repeat;
}

.item-1 .item-1_img {
    position: absolute;
    left: -6%;
    top: -215px;
    z-index: 1;
    height: auto;
    transition: 0.3s;
}

.item-1 .item-title {
    position: absolute;
    z-index: 2;
    top: 84px;
    left: 29px;
    width: 189px;
    height: 52px;
}

.item-1 .item-desc {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pc-ch {
    position: relative;
    height: 903px;
    background: url(../images/Z_39.png) bottom 66px right 79px/107px 108px no-repeat, url(../images/Z_40.jpg)top/auto 903px no-repeat;
}


/* 关于我们 */

.pc-follow {
    padding-top: 24px;
    height: 577px;
    background: url(https://webstatic.mihoyo.com/ys/event/obt-landing/images/followBackground.d593a593.jpg) top/1920px auto no-repeat;
}

.pc-follow_title {
    display: block;
    margin: 0 auto 36px;
    width: 496px;
    height: 204px;
}

.pc-follow__list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
}

.pc-follow__item {
    position: relative;
    width: 122px;
    height: 146px;
    cursor: pointer;
    margin-left: 60px;
}

.pc-follow__item-weibo {
    display: block;
    width: 100%;
    height: 100%;
}

.pc-follow__item-weibo1 {
    position: absolute;
    top: -4px;
    left: -4px;
    height: 130px;
    width: 130px;
}

.pc-follow__item {
    position: relative;
    width: 122px;
    height: 146px;
    cursor: pointer;
}

.pc-follow__item-weixin {
    display: block;
    width: 100%;
    height: 100%;
}

.pc-follow__item-weixin1 {
    position: absolute;
    top: -4px;
    left: -4px;
    height: 130px;
    width: 130px;
}

.item-1_img:hover {
    transform: scale(1.1);
}

.music {
    position: fixed;
    z-index: 10;
    right: 0;
    top: 45px;
}

.music ul li {
    float: left;
    margin-right: 30px;
    cursor: pointer;
}

.star img:nth-of-type(1) {
    z-index: 1;
}

.star img:nth-of-type(2) {}

@-webkit-keyframes animal {
    0% {
        transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
    }
    100% {
        transform: rotate(-360deg);
        -ms-transform: rotate(-360deg);
        -webkit-transform: rotate(-360deg);
    }
}

.stop {
    background-image: url(../images/Z_stop.png);
}

.star {
    -webkit-animation: animal 9s infinite linear;
    -webkit-transform-origin: center center;
    -ms-transform-origin: center center;
    transform-origin: center center;
}

video {
    position: absolute;
    top: 9%;
    left: 26%;
}

.videos {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1080px;
    background-color: rgba(0, 0, 0, 0.479);
}

